Joint Inversion and petrophysical characterization for improved CO₂ monitoring at Ketzin and Svelvik Område, fase og type:

The aim of this collaborative project is to obtain a better understanding of geological CO₂ storage and to improve monitoring capabilities. This will be accomplished by improving the imaging of the CO₂ plume and the quantification of the injected CO₂ at the Ketzin pilot site in Germany. Our work will combine the methodologies and expertise from the German and Norwegian CO₂ sites (Ketzin and Svelvik), and from GeoForschungs-Zentrum Potsdam (GFZ) and SINTEF.
The central research tasks within this project are:
• The integration of an Electromagnetic Resistivity Tomography (ERT) method that GFZ have successfully applied to CO₂ monitoring at Ketzin, with SINTEF’s Full Waveform Inversion (FWI) and joint inversion codes.
• The application of 3D/4D FWI and joint-FWI-ERT inversions to existing and new Ketzin data vintages, and the optimization of these methods in preparation for the new repeat survey conducted during the German COMPLETE project.
• The comparison and benchmarking of methods and results from the individual and joint inversions.
• The petrophysical characterization of cap-rock- and reservoir core material. The results of this task will also be used in the joint inversion.